Citazione Stile APA (7a Edizione)

Lucas, S. (2007). The art of public speaking (9th ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Lucas, Stephen. The Art of Public Speaking. 9th ed. Boston, Mass: McGraw-Hill, 2007.

Citatione MLA (9a ed.)

Lucas, Stephen. The Art of Public Speaking. 9th ed. McGraw-Hill, 2007.